<%--
  Created by IntelliJ IDEA.
  User: feina
  Date: 2022/1/4
  Time: 13:11
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
  <form action="opera?op=2" method="post">
    <h1>输入ISBN号查询</h1>
    <input type="text" name="isbn">
    <input type="submit" value="查询">
  </form>
</body>
</html>
